E-Type vs F-Type
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PeterCrespin
- Posts: 4561
- Joined: Fri Mar 05, 2010 8:22 pm
- Location: Gaithersburg, Maryland.
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#21
Err, what about gearing, torque/power curves and rev limits? You are assuming all cars are geared to maximise top speed. I agree on the pure physics, but the applied physics is a little wanting...
1E75339 UberLynx D-Type; 1R27190 70 FHC; 1E78478; 2001 Vanden Plas
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Heuer
Topic author - Administrator
- Posts: 15204
- Joined: Sat Mar 01, 2008 5:29 pm
- Location: Nottinghamshire

#22
I calculated the CD of my car using the Road-Dyno software as it requires all gearing, weight and frontal area data:

As I had a rolling road run result I was able to iteratively adjust the Road-Dyno settings to match. I came out with a Cd of 0.55 (roof down, hood bag in place, windows down) which is about the same as Jaguar measured on the D-Type. Incidentally a complete Road-Dyno was up for sale on eBay a couple of weeks ago - sold for about ?12 to a Forum member in Canada.

As I had a rolling road run result I was able to iteratively adjust the Road-Dyno settings to match. I came out with a Cd of 0.55 (roof down, hood bag in place, windows down) which is about the same as Jaguar measured on the D-Type. Incidentally a complete Road-Dyno was up for sale on eBay a couple of weeks ago - sold for about ?12 to a Forum member in Canada.
David Jones
S1 OTS OSB
1997 Porsche 911 Guards Red
2026 Lexus LBX
Add your E-Type to our World Map: http://forum.etypeuk.com/viewtopic.php?f=1&t=1810
S1 OTS OSB
1997 Porsche 911 Guards Red
2026 Lexus LBX
Add your E-Type to our World Map: http://forum.etypeuk.com/viewtopic.php?f=1&t=1810
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#23
First F-type road-test review here:
http://www.pistonheads.com/news/default ... ryId=27517
It seems they like it....
http://www.pistonheads.com/news/default ... ryId=27517
It seems they like it....
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